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mP�C0'14A tls�Z CIVIL ENGINEERING,LAND PLANNING,SURVEYING <br /> �o = December 10, 2012 RECEIVE® <br /> ys FEDERAL EXPRESS <br /> Nc ENGITOO; (209)468-2986 <br /> DEC-tk2017_ <br /> I, In <br /> Garrett Backus, REHS ENVIRONMENTAL HEALTH <br /> Senior Registered Environmental Health Specialist PERMIT/SERVICES <br /> San Joaquin County Environmental Health Department <br /> 1868 East Hazelton Avenue <br /> Stockton, CA 95205 <br /> RE: Response to Comments—UST Install Application and Retrofit Repair—SR0066145 <br /> Costco Gasoline—Automated Fuel Additive Tank Installation <br /> 1616 East Hammer Lane, Stockton, California 95210 <br /> Costco Loc. No. 38/Our Job No. 10199 <br /> Dear Garrett: <br /> We have revised the documents for the above-referenced project in accordance with your comment letter <br /> dated December 6, 2012. Enclosed are the following documents for your review and approval: <br /> 1. One (1)copy of your December 6, 2012 letter <br /> 2. Six(6)copies of the revised Page 7 of the UST Installation Permit Application <br /> 3. Six(6)copies of the revised Monitoring Plan and Site Plot Plan—Tank 4, Lubrizol <br /> 4. Six(6)copies of the revised Monitoring Plan and Site Plot Plan—Tanks 1-3 <br /> 5. Six (6) copies of the Bravo Double-Wall Fiberglass Sump Fittings Cut Sheet <br /> 6. One (1) copy of the New Construction Enhanced Leak Detection Work Plan prepared by <br /> Leak Detection Technologies, LLC <br /> 7. One (1)Contractor Information Packet for Jones Covey Group, Inc. <br /> 8. Six (6) revised Sheet T-5 prepared by Barghausen Consulting Engineers, Inc., dated <br /> December 7, 2012 [four(4)wet-signed sets and two(2)copies] <br /> The following outline provides each of your comments in italics exactly as written, along with a narrative <br /> response describing how each comment was addressed: <br /> 1. The Lubrizol tank interstitial sensor is labeled several different ways: `hydrostatic <br /> sensor-single float" 794380-302 in page T-5 of the plans and 794380-303 on the application <br /> page 8. <br /> The Lubrizol tank monitoring plan and map lists 794380-303. <br /> The 302 and 303 sensors are hydrostatic sensor—dual float: Correct the sensor description <br /> on page T-5 of the plans and make the sensor number the same on the application and the <br /> plans. Update the Lubrizol tank monitoring plan as needed. <br /> We require a dual float sensor. <br /> Response: The plans have been revised to indicate the dual float sensor 794380-303. <br /> 18215 72ND AVENUE SOUTH KENT,WA 98032 (425)251-6222 (425)251-8782 FAX <br /> BRANCH OFFICES ♦ OLYMPIA;WA ♦ CONCORD,CA ♦ TEMECULA,CA <br /> www.barghausen.com <br />